From f681b29fd605db777d653f8ee7fed545676998c9 Mon Sep 17 00:00:00 2001
From: Thorsten Kukuk <kukuk@thkukuk.de>
Date: Tue, 20 Jun 2006 11:21:07 +0000
Subject: Relevant BUGIDs:

Purpose of commit: new feature

Commit summary:
---------------

2006-06-20  Thorsten Kukuk  <kukuk@thkukuk.de>

        * m4/ld-as-needed.m4: New.
        * m4/ld-O1.m4: New.
        * configure.in: Call PAM_LD_AS_NEEDED and PAM_LD_O1,
        require docbook version 4.4.
---
 ChangeLog          |  7 +++++++
 configure.in       |  6 ++++--
 m4/ld-O1.m4        | 24 ++++++++++++++++++++++++
 m4/ld-as-needed.m4 | 24 ++++++++++++++++++++++++
 4 files changed, 59 insertions(+), 2 deletions(-)
 create mode 100644 m4/ld-O1.m4
 create mode 100644 m4/ld-as-needed.m4

diff --git a/ChangeLog b/ChangeLog
index 33a964fd..02ca7bb1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2006-06-20  Thorsten Kukuk  <kukuk@thkukuk.de>
+
+	* m4/ld-as-needed.m4: New.
+	* m4/ld-O1.m4: New.
+	* configure.in: Call PAM_LD_AS_NEEDED and PAM_LD_O1,
+	require docbook version 4.4.
+
 2006-06-19  Thorsten Kukuk  <kukuk@thkukuk.de>
 
 	* doc/man/pam.8.xml: Syntax cleanup.
diff --git a/configure.in b/configure.in
index ad1c9880..8850b4d9 100644
--- a/configure.in
+++ b/configure.in
@@ -67,6 +67,8 @@ AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AC_PROG_LIBTOOL
+PAM_LD_AS_NEEDED
+PAM_LD_O1
 
 dnl Largefile support
 AC_SYS_LARGEFILE
@@ -425,8 +427,8 @@ if test -z "$XSLTPROC"; then
 fi
 AC_PATH_PROG([XMLLINT], [xmllint],[/bin/true])
 dnl check for DocBook DTD and stylesheets in the local catalog.
-JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.3//EN],
-                [DocBook XML DTD V4.3], [], enable_man=no)
+JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.4//EN],
+                [DocBook XML DTD V4.4], [], enable_man=no)
 JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
                 [DocBook XSL Stylesheets], [], enable_man=no)
 
diff --git a/m4/ld-O1.m4 b/m4/ld-O1.m4
new file mode 100644
index 00000000..c8630740
--- /dev/null
+++ b/m4/ld-O1.m4
@@ -0,0 +1,24 @@
+# ld-O1.m4 serial 2
+
+# Test if ld supports -O1
+
+AC_DEFUN([PAM_LD_O1],
+  [
+    AC_CACHE_CHECK(whether ld supports -O1,
+      pam_cv_ld_O1, [ dnl
+    cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+     if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+                                 -o conftest.o conftest.c
+                                 -Wl,-O1 1>&AS_MESSAGE_LOG_FD])
+  then
+    pam_cv_ld_O1=yes
+  else
+    pam_cv_ld_O1=no
+  fi
+  rm -f conftest*])
+  AC_SUBST(pam_cv_ld_as_needed)
+  LDFLAGS="$LDFLAGS -Wl,-O1"
+  ]
+)
diff --git a/m4/ld-as-needed.m4 b/m4/ld-as-needed.m4
new file mode 100644
index 00000000..cd81f91b
--- /dev/null
+++ b/m4/ld-as-needed.m4
@@ -0,0 +1,24 @@
+# ld-as-needed.m4 serial 2
+
+# Test if ld supports --as-needed
+
+AC_DEFUN([PAM_LD_AS_NEEDED],
+  [
+    AC_CACHE_CHECK(whether ld supports --as-needed,
+      pam_cv_ld_as_needed, [ dnl
+    cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+     if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+                                 -o conftest.o conftest.c
+                                 -Wl,--as-needed 1>&AS_MESSAGE_LOG_FD])
+  then
+    pam_cv_ld_as_needed=yes
+  else
+    pam_cv_ld_as_needed=no
+  fi
+  rm -f conftest*])
+  AC_SUBST(pam_cv_ld_as_needed)
+  LDFLAGS="$LDFLAGS -Wl,--as-needed"
+  ]
+)
-- 
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